8024 Aluminum alloy,Aluminum 8024 alloy，E FORU

### **Aluminum 8024 Alloy Technical Datasheet** --- #### **1. Product Overview** **Aluminum 8024** is a specialized wrought aluminum alloy from the 8000 series, designed for applications requiring enhanced strength and good formability. This non-heat-treatable alloy features a carefully balanced composition with optimized iron and silicon content, making it particularly suitable for container stock, automotive components, and general engineering applications where a combination of mechanical strength and manufacturing versatility is required. --- #### **2. Chemical Composition (Weight %)** | Element | Composition Range | Typical Value | |---------|-------------------|---------------| | Aluminum (Al) | Balance | ≥97.7% | | Iron (Fe) | 1.0 - 1.4% | 1.2% | | Silicon (Si) | 0.7 - 1.1% | 0.9% | | Copper (Cu) | ≤ 0.08% | 0.05% | | Manganese (Mn) | 0.4 - 0.8% | 0.6% | | Zinc (Zn) | ≤ 0.10% | 0.06% | | Magnesium (Mg) | ≤ 0.08% | 0.05% | | Chromium (Cr) | 0.08 - 0.18% | 0.13% | | Titanium (Ti) | ≤ 0.08% | 0.04% | | Other Elements (each) | ≤ 0.05% | - | | Total Other Elements | ≤ 0.15% | - | **Key Composition Features:** - Enhanced iron and silicon content for improved strength - Chromium addition for grain refinement and strength enhancement - Optimized manganese for solid solution strengthening - Balanced alloying elements for consistent performance - Designed for applications requiring higher strength --- #### **3. Physical Properties** | Property | Metric Value | Imperial Value | |----------|--------------|----------------| | Density | 2.74 g/cm³ | 0.0989 lb/in³ | | Melting Range | 638-648°C | 1180-1198°F | | Thermal Conductivity | 155-165 W/m·K | - | | Electrical Conductivity | 42-47% IACS | - | | Modulus of Elasticity | 71 GPa | 10.3 × 10⁶ psi | | Coefficient of Thermal Expansion | 23.3 × 10⁻⁶/°C | 12.9 × 10⁻⁶/°F | | Specific Heat Capacity | 890 J/kg·K | - | | Electrical Resistivity | 37-41 nΩ·m | - | --- #### **4. Mechanical Properties** **Typical Properties in Various Tempers:** | Property | O Temper | H12 Temper | H14 Temper | H16 Temper | H18 Temper | |----------|----------|-------------|-------------|-------------|------------| | **Tensile Strength (MPa)** | 120-145 | 155-175 | 175-195 | 195-215 | 215-235 | | **Yield Strength (MPa)** | 50-70 | 130-150 | 150-170 | 170-190 | 190-210 | | **Elongation in 50 mm** | 20-28 | 8-12 | 6-9 | 4-7 | 2-4 | | **Hardness (Brinell)** | 40-50 | 52-62 | 62-72 | 72-82 | 82-92 | | **Shear Strength (MPa)** | 75-90 | 105-120 | 120-135 | 135-150 | 150-165 | | **Fatigue Strength (MPa)** | 60-70 | 85-95 | 100-110 | 110-120 | 120-130 | | **Bearing Strength (MPa)** | 200-230 | 270-300 | 320-350 | 360-390 | 400-430 | --- #### **5. International Standards** **Primary Specifications:** - **EN 573-3**: Aluminum and aluminum alloys - Chemical composition and form of wrought products - **ISO 209**: Wrought aluminum and aluminum alloys - Chemical composition and forms of products - **GB/T 3190**: Wrought aluminum and aluminum alloy chemical composition (China) **Product Standards:** - **EN 485-2**: Aluminum and aluminum alloys - Sheet, strip and plate - **ASTM B209**: Standard Specification for Aluminum and Aluminum-Alloy Sheet and Plate - **ASTM B479**: Standard Specification for Annealed Aluminum Foil for Flexible Barrier Applications **Regional Standards:** - **JIS H4000**: Aluminum and aluminum alloy sheets and plates (Japan) - **DIN 1725-1**: Wrought aluminum alloys (Germany) --- #### **6. Product Applications** **Container Manufacturing:** - Drawn and ironed containers - Pressure vessels - Aerosol cans - Food and beverage containers - Industrial containers **Automotive Components:** - Structural brackets - Mounting components - Brake system parts - Fuel system components - Chassis components **Electrical Applications:** - Heavy-duty electrical enclosures - Power distribution components - Transformer cases - Bus bar supports - Electrical machinery parts **General Engineering:** - Machinery components - Equipment housings - Structural supports - Industrial frames - General fabricated parts --- #### **7. Key Characteristics** **Advantages:** - **Enhanced Mechanical Strength** - **Good Formability** in annealed condition - **Adequate Corrosion Resistance** - **Good Thermal Conductivity** - **Cost-Effective** for strength applications - **Consistent Mechanical Properties** - **Good Weldability** **Manufacturing Benefits:** - Suitable for moderate forming operations - Good machinability characteristics - Reliable performance in production - Consistent quality output - Versatile application range --- #### **8. Processing Characteristics** **Forming Operations:** - **Good Deep Drawing** capability in O temper - **Adequate Bendability** - minimum bend radius: 1.5t - **Good Roll Forming** characteristics - **Moderate Stamping** performance - **Suitable for Press Forming** **Machining:** - Good machinability rating: 60% - Produces relatively short chips - Recommended cutting speed: 100-210 m/min - Good surface finish achievable - Standard tooling requirements **Joining Methods:** - **Good Weldability** - conventional methods suitable - **Adequate Brazing** characteristics - **Good Soldering** performance - **Adhesive Bonding** - acceptable with preparation - **Mechanical Fastening** - good performance --- #### **9. Corrosion Resistance** **Performance Characteristics:** - **Atmospheric Corrosion**: Good resistance - **Pitting Resistance**: Moderate - **Stress Corrosion Cracking**: Not susceptible - **Industrial Environment**: Adequate performance - **Chemical Exposure**: Limited resistance **Protection Methods:** - Chemical conversion coatings - Painting and powder coating - Anodizing for enhanced protection - Proper design for corrosion prevention --- #### **10. Heat Treatment & Tempers** **Available Tempers:** - **O (Annealed)**: Full soft condition - **H12, H14, H16, H18**: Strain-hardened tempers - **H22, H24, H26**: Strain-hardened and partially annealed - **H32, H34, H36**: Strain-hardened and stabilized **Annealing Process:** - Full annealing: 345°C (650°F) for 2-3 hours - Intermediate annealing: 315°C (600°F) for 1-2 hours - Stress relief: 230-260°C (450-500°F) for 1-2 hours --- #### **11. Quality Assurance** **Testing Requirements:** - Chemical composition verification - Mechanical property testing - Surface quality inspection - Dimensional verification - Formability testing when specified **Certification:** - Mill test certificate to applicable standards - Material traceability documentation - Customer-specific quality requirements - Regular quality system audits --- #### **12. Comparison with Similar Alloys** | Property | 8024-H14 | 3004-H14 | 8014-H14 | |----------|-----------|-----------|-----------| | Tensile Strength (MPa) | 175-195 | 180-200 | 145-165 | | Yield Strength (MPa) | 150-170 | 160-180 | 125-145 | | Elongation (%) | 6-9 | 5-8 | 8-12 | | Formability | Moderate | Good | Good | | Typical Applications | Containers | Beverage cans | General purpose | --- #### **Conclusion** Aluminum 8024 alloy offers an enhanced strength profile compared to many other 8000 series alloys, making it particularly suitable for applications requiring higher mechanical properties while maintaining adequate formability. Its optimized chemical composition provides a good balance between strength, manufacturability, and cost-effectiveness, positioning it as a valuable material for container manufacturing, automotive components, and general engineering applications. The alloy's consistent performance characteristics and reliable processing behavior ensure predictable results in manufacturing operations, while its enhanced strength capabilities provide designers with additional flexibility in product development. The continued use of 8024 alloy across various industrial sectors demonstrates its versatility and reliability as a material solution for applications where strength requirements exceed those of standard aluminum alloys but where the cost premium of high-strength heat-treatable alloys is not justified.

Packing of Standard Packing: Typical bulk packaging includes palletized plastic 5 gallon/25 kg. pails, fiber and steel drums to 1 ton super sacks in full container (FCL) or truck load (T/L) quantities. Research and sample quantities and hygroscopic, oxidizing or other air sensitive materials may be packaged under argon or vacuum. Solutions are packaged in polypropylene, plastic or glass jars up to palletized 2244 gallon liquid totes Special package is available on request.